Flask guide



Mar. 6, 1923.

L. P. OAKLEY FLASK GUIDE Filed Jan. 24, 1921 Patented Mar. 6, 119233.

UNETEQ STATES [P rat carton.

LOUIS r. OAKLEY, or ooivnnnsvrnnn, rnnrnivnfiissrerion r ILH. & r. a:noo'rs COMPANY, or oolvivnnsvrnnn, INDIANA, A oonronnrron or INDIANA.

FLALSK GUIDE.

"Application filed January 24, 1921. Serial. iNo. 39,380.

1 0 all whom it may concern:

Be it known that I, LOUIS P. OAKLEY, a citizen of the United; States,residing at Connersville, in the county of Fayette and .5 State ofIndiana, have invented a certain new and useful Improvement in. FlaskGuides, of which the following is a full, clear, concise, and exactdescription, reference being had to theiaccompanying drawings, forming apart of this specification.

My invention relates to flask guides for molds. The general object ofthe invention is to prevent relative displacement ofjthe mold flasksections in the castingoperations. I am aware that guideshavebefore beendevised which were capable of accomplish- .ing this same generalpurpose, but these prior devices have invariably been of a complicatednature, or have required the use of to be entirely impractical. Asalient feature of my improved guide is its simplicity. It is easy tooperate and may be manipulated without the use of tools.

Various other objects of my invention will appear in thefollowing'detailed description, in which reference is made to theaccompanying drawing illustrating the invention.

In the drawing Figure 1 is an end elevation of that portion of a flaskto which the improvement of my invention has been applied.

Figure 2 is a vertical cross section taken on'the line 22 of Figure 1,looking in the direction indicated by the arrows, and

Figure 3 is a detail in perspective of the flask guide showing the samepartially disassembled f r the purpose of better illustration.

In the three views, the same reference numerals are used to indicate thesame parts.

The mold illustrated consists of the conventional flask sections 5 and6, which are made of wood, cast iron, or any other suit- 45 ablematerial. The section 5 is customarily referred to in foundry practiceas the cope and the section 6 as the drag of the mold. The cope carriesa bracket 7, secured thereon by bolts 8-8. A fork or bifurcation 9 isprovided on the bracket 7, movable between the tines of which is thehead 10 of a guide pin 11'. Depending from the head 10 is a tail piece12 of slightly enlarged cross section, which forms with the head 10shoulders 13. These shoulders engage the nether side tools in theirmanipulation, and have proved V of the bifurcation 9. A transverseopening 14 is provided at the outer end of the head '10 of the guide pinthrough which a clampingwedge'15 passes. The wedge 15 has a retainingpin-16, in its reduced end,'which efiectually prevents removal thereoffrom the opening 1 1; When the wedge is driven inwardly to the positionshown in Figure 1,

.the guide pin is securely held in the bracket in an obvious manner.- rSecured by bolts 17 to the drag 6 is a second bracket 18in the face ofWhich is cut a V-shaped notch 19. This notch co-operates with thetriangularly shaped tail piece 12 of'the guide pin, therebypreventingaccidental disalignment of the flask sections.

Any suitable material may be used in making the brackets and guide pin,al-

though I prefer to make both of the said elements of cast iron, and thewedge 15 and retaining pin 16 of wrought iron. Furthermore, as willhereinafter more clearly appear, it is immaterial in what relation thebrackets are secured upon the flask sections as the guide will operatepractically as satisfactorily if the brackets are interchanged, so thatthe bracket 18 is secured to the cope 5 and the bracket 7 to the drag 6.

The device is best adapted for use in the following manner: After thecounterpart impressions of the pattern have been produced in the sand inthe cope and drag, it is, of course, importantthat when the metal ispoured, the cope and drag shall assume the same relation as before, sothat the finished casting will be a faithful reproduction of thepattern. In order to insure accurate alignment of the flask sectionsduring the pouring operations, the guide pins, at the time the patternis placed in the mold and the sand packed and rammed thereabout, aremoved inwardly so that the tail pieces 12 engage in the notches 19. Thewedges 15 are then given a blow to secure the guide pins to theirrespective brackets. Thereafter, when the cope is repeatedly removedfrom, and replaced upon, the drag, the same relation of the two ismaintained. The tail piece 12 is preferably of such a length as willinsure that the cope properly clears the pattern whenit is lifted fromthe drag. With the construction illustrated, the guide pins serve toguide the cope just as accurately at entering the notches as when thecope and drag are close together, and it will, of'course, be apparentthat the length of the tail pieces is variable as desired to suit givenconditions, and the same may be changed without altering the brackets.The

"guide pins with their clamping wedges inseparably'linked thereto areseparable from the flasks, and are standard as regardstheir beingcapable of use With other flasks and are not kept with the flasks whenthe same are kept in a flask yard. The guide pins arthereioreno't'likely to become broken or While I havede'scribed the' details of-the preferred embodiment of my invention, it

Y is to be-understood that I do not limit myself to these details'ofconstructiombut desire to cover all adaptations and modificatheappended claim;

What I claim is: The combination with; a pair of flask members; of a"bracket secured tooneof the members a and provided with a laterallyopening V-shaped notch, a second bracket secured to .theother member andprovided with a laterally elongated slot open at its outer end andhaving fiat vertical walls, a

ipinihaving a portion formed with flat sides adapted to bear against theWalls of said slot and beinglaterally and "vertically adjustable thereinand having shoulders respectively adapted'to engageoneedge" of therespective mus and having air extension formed with a' 'V-shap'ed faceadapted to -en'gagesaid notch, :anda-wedge secured to the p111 andtransversely movable relatively thereto, the *wedge being adapted toengage edgesof 'said walls op osite the edges "ngagedby said shouldersand toclam'p the "pin against move'mentin said slot.

'In witness whereof I hereunto subscribe 'my name this 19th day ofJanuary,'1921. tions coming within the spirit and scope of i LOUIS P.OAKLEY;

Witnesses:

a Q E. JOHNSTON,

